release: 4.56.0

[stainless-app]

Automated Release PR

4.56.0 (2026-05-08)

Full Changelog: v4.55.0...v4.56.0

Features

• api: api update (420a0ee)
• api: api update (71340f6)
• api: api update (6450ca8)
• api: api update (d11987d)
• api: api update (f5bfd3c)
• api: api update (3b0e75f)
• api: api update (de414ba)
• api: api update (5a1e185)
• api: api update (3c67098)
• api: api update (4e3652d)
• api: api update (931c0f4)
• api: api update (8c1ffda)
• api: api update (deda5e1)
• api: api update (425bac4)
• api: api update (cd1cd23)
• api: api update (6b4583e)
• api: api update (b676980)
• api: api update (19af3f7)
• api: api update (3686dc6)
• api: api update (2fbc2b1)
• internal: implement indices array format for query and form serialization (b78355c)
• support setting headers via env (2366135)

Bug Fixes

• client: add missing f-string prefix in file type error message (67ca8a4)
• client: preserve hardcoded query params when merging with user params (a87a1f8)
• deps: bump minimum typing-extensions version (93f9afe)
• ensure file data are only sent as 1 parameter (e478a4e)
• pydantic: do not pass by_alias unless set (06cedae)
• sanitize endpoint path params (a7e8834)
• use correct field name format for multipart file arrays (62c31ad)

Performance Improvements

• client: optimize file structure copying in multipart requests (b9feeba)

Chores

• ci: skip lint on metadata-only changes (16d7746)
• ci: skip uploading artifacts on stainless-internal branches (a2813c8)
• docs: add missing descriptions (1bb4db8)
• internal: add request options to SSE classes (9110978)
• internal: make test_proxy_environment_variables more resilient (e567054)
• internal: make test_proxy_environment_variables more resilient to env (a2da977)
• internal: more robust bootstrap script (eaaf738)
• internal: reformat pyproject.toml (e022f45)
• internal: tweak CI branches (c5ab3b4)
• internal: update gitignore (e2316ae)
• test: do not count install time for mock server timeout (888e2ca)
• tests: bump steady to v0.19.4 (dba860e)
• tests: bump steady to v0.19.5 (0918804)
• tests: bump steady to v0.19.6 (f37e5be)
• tests: bump steady to v0.19.7 (403afe2)
• tests: bump steady to v0.20.1 (a15890c)
• tests: bump steady to v0.20.2 (1b0c906)
• tests: bump steady to v0.22.1 (cbbf427)
• tests: update mock server to steady (97a3d8f)
• update mock server docs (0f016de)

Documentation

• improve examples (de8f18b)

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🔗 Stainless website
📚 Read the docs
🙋 Reach out for help or questions

[stainless-app]

🧪 Testing

To try out this version of the SDK:

pip install 'https://pkg.stainless.com/s/orb-python/67ca8a4ce63933b112cd3188b720bfa13cf177b5/orb_billing-4.55.0-py3-none-any.whl'

Expires at: Sun, 07 Jun 2026 16:36:26 GMT
Updated at: Fri, 08 May 2026 16:36:26 GMT